2014 Yard List

A list of birds seen in my yard this year. Lists for 2013 (51 species) and 2012 (39 species) here. Downy woodpecker Mourning dove Dark-eyed junco Tufted titmouse White-breasted nuthatch Black-capped chickadee Goldfinch Pileated woodpecker Red-bellied woodpecker Turkey vulture Hairy woodpecker Eastern phoebe Red-tailed hawk American crow American robin Cardinal Bald eagle Brown creeper Barred … Read more

Three ridges and three valleys

That’s the view from Woodstock Tower, on the crest of Three Top Mountain, looking east/northeast across the Little Fort Valley and through Mine Gap (a water gap), across the main Fort Valley and then Massanutten Mountain itself, with the Page Valley separating Massanutten’s ridge line from the horizon-forming Blue Ridge.

Friday folds from the Shenandoah River

My student Josh B. found this beautiful map view of a plunging fold in the bed of the Shenandoah River, as viewed in Google Earth: Josh posted his results on Facebook, and then the other Josh (Joshua Villalobos of El Paso Community College) poked around the area and found some others downstream (north): Here’s a … Read more

Friday fold: Contorted Rome Formation next to the Max Meadows Fault

My student Mercer Parker shot this one over to me the other day: Click to enlarge Those are the slim strata of the Rome Formation (a.k.a. Shady*), strongly deformed in the region adjacent to the Max Meadows (“M&M”?) Fault. Thanks, Mercer! _____________________________________________ * Will the real slim Shady please stand up?

Weathering on Old Rag Mountain 2: Opferkessel

Yesterday, I pointed out an example of differential weathering on Old Rag Mountain, in Shenandoah National Park, in Virginia. Today, I’d like to shine the spotlight on another example of weathering to be seen along the trail there: little weathering pits that occur on the top of the granite outcrops. These are opferkessel. Some people … Read more

Weathering on Old Rag Mountain 1: feeder dikes

Old Rag Mountain is a distinctive mountain in the eastern Blue Ridge of Virginia, contained in a little lobe of Shenandoah National Park. It’s a great hike on several levels: (1) it’s got no trees on the summit, so you can actually get a decent view from on top, (2) it’s got a great section … Read more